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https://opencores.org/ocsvn/zet86/zet86/trunk
[/] [zet86/] [trunk/] [tests/] [07_strings.s] - Diff between revs 39 and 49
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| Rev 39 |
Rev 49 |
.code16
|
.code16
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start:
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start:
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movw $0xf000, %cx
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movw $0xf000, %cx
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movw %cx, %ds
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movw %cx, %ds
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movw %cx, %es
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movw %cx, %es
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movw $0x1000, %si
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movw $0x1000, %si
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movw $0x2001, %di
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movw $0x2001, %di
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cmpsb # (1) flags=0x97 (SAPC)
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cmpsb # (1) flags=0x97 (SAPC)
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pushf
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pushf
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ret
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ret
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.org 0x46
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.org 0x46
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cmpsb # (1) flags=0x82 (S)
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cmpsb # (1) flags=0x82 (S)
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pushf
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pushf
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ret
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ret
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.org 0x82
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.org 0x82
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cmpsb # (1) flags=0x812 (OA)
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cmpsb # (1) flags=0x812 (OA)
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pushf
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pushf
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ret
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ret
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.org 0x97
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.org 0x97
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cmpsb # (1) flags=0x46 (ZP)
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cmpsb # (1) flags=0x46 (ZP)
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pushf
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pushf
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ret
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ret
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.org 0x812
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.org 0x812
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cmpsw # (2)
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cmpsw # (2)
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pushf
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pushf
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ret # jump to f000:0883
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ret # jump to f000:0883
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.org 0x883
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.org 0x883
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movb $0x10, %ah
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movb $0x10, %ah
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std
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std
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lodsb # (3)
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lodsb # (3)
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jmp *%ax # jump to f000:10c2
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jmp *%ax # jump to f000:10c2
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.org 0x1000
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.org 0x1000
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.byte 0x01,0xff,0xff,0x80
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.byte 0x01,0xff,0xff,0x80
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.word 0x0002
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.word 0x0002
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.byte 0xc2
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.byte 0xc2
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.org 0x10c2
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.org 0x10c2
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lodsw # (4)
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lodsw # (4)
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jmp *%ax
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jmp *%ax
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.org 0x1300
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.org 0x1300
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movw %ax, (%di)
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movw %ax, (%di)
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movw %dx, %es
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movw %dx, %es
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scasw # (8)
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scasw # (8)
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jz stor
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jz stor
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.org 0x1350
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.org 0x1350
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stor:
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stor:
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movb $0x80, %al
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movb $0x80, %al
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std
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std
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stosb # (9)
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stosb # (9)
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jmp *(%di)
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jmp *(%di)
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.org 0x2001
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.org 0x2001
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.byte 0x02,0xff,0x01,0x01
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.byte 0x02,0xff,0x01,0x01
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.word 0x8001
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.word 0x8001
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.org 0x8013
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.org 0x8013
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movw $0xd000, %ax
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movw $0xd000, %ax
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stosw # (10)
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stosw # (10)
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jmp *2(%di)
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jmp *2(%di)
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.org 0x80c2
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.org 0x80c2
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movw %cx, %ds
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movw %cx, %ds
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movsw # (6)
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movsw # (6)
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movw %dx, %ds
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movw %dx, %ds
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jmp *2(%di)
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jmp *2(%di)
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.org 0x80ff
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.org 0x80ff
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movw $0x2002, %di
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movw $0x2002, %di
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movw %cx, %es
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movw %cx, %es
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cld
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cld
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scasb # (7)
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scasb # (7)
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lahf
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lahf
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jmp *%ax
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jmp *%ax
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.org 0xc200
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.org 0xc200
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movw $0x1000, %dx
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movw $0x1000, %dx
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movw %dx, %es
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movw %dx, %es
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movw $0xffff, %di
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movw $0xffff, %di
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movsb # (5)
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movsb # (5)
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movw %dx, %ds
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movw %dx, %ds
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movb $0xc2, (%di)
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movb $0xc2, (%di)
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jmp *(%di)
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jmp *(%di)
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.org 0xd000
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.org 0xd000
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movw $0, %dx
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movw $0, %dx
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movw %dx, %ds
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movw %dx, %ds
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movw $0x1234, (2)
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movw $0x1234, (2)
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hlt
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hlt
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.org 65520
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.org 65520
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jmp start
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jmp start
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.org 65535
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.org 65535
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.byte 0xff
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.byte 0xff
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